darkcomet | 312f6d178f512184f38b9cf023c7f38520da92ad22f9a0ee06878d0581d0f1b9

Processes:

06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

winupdate.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	winupdate.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	winupdate.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	winupdate.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

winupdate.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" winupdate.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	winupdate.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

winupdate.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winupdate.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

winupdate.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	winupdate.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

2588 notepad.exe
Executes dropped EXE 1 IoCs

Processes:

winupdate.exe

pid process

2480 winupdate.exe
Loads dropped DLL 4 IoCs

Processes:

06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exewinupdate.exe

pid process

2184 06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
2480 winupdate.exe
2480 winupdate.exe
2480 winupdate.exe

pid	process
2588	notepad.exe

pid	process
2480	winupdate.exe

pid	process
2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
2480	winupdate.exe
2480	winupdate.exe
2480	winupdate.exe

UPX packed file 19 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2184-0-0x0000000013140000-0x000000001320B000-memory.dmp	upx
\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe	upx
behavioral1/memory/2184-32-0x0000000004F30000-0x0000000004FFB000-memory.dmp	upx
behavioral1/memory/2184-51-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-58-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-59-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-60-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-61-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-62-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-63-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-64-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-65-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-66-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-67-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-68-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-69-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-70-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-71-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2480-72-0x0000000013140000-0x000000001320B000-memory.dmp	upx

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

winupdate.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winupdate.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exenotepad.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	notepad.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exewinupdate.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeSecurityPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeBackupPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeRestorePrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeShutdownPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeDebugPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeUndockPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: 33	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: 34	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: 35	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2480	winupdate.exe
Token: SeSecurityPrivilege	2480	winupdate.exe
Token: SeTakeOwnershipPrivilege	2480	winupdate.exe
Token: SeLoadDriverPrivilege	2480	winupdate.exe
Token: SeSystemProfilePrivilege	2480	winupdate.exe
Token: SeSystemtimePrivilege	2480	winupdate.exe
Token: SeProfSingleProcessPrivilege	2480	winupdate.exe
Token: SeIncBasePriorityPrivilege	2480	winupdate.exe
Token: SeCreatePagefilePrivilege	2480	winupdate.exe
Token: SeBackupPrivilege	2480	winupdate.exe
Token: SeRestorePrivilege	2480	winupdate.exe
Token: SeShutdownPrivilege	2480	winupdate.exe
Token: SeDebugPrivilege	2480	winupdate.exe
Token: SeSystemEnvironmentPrivilege	2480	winupdate.exe
Token: SeChangeNotifyPrivilege	2480	winupdate.exe
Token: SeRemoteShutdownPrivilege	2480	winupdate.exe
Token: SeUndockPrivilege	2480	winupdate.exe
Token: SeManageVolumePrivilege	2480	winupdate.exe
Token: SeImpersonatePrivilege	2480	winupdate.exe
Token: SeCreateGlobalPrivilege	2480	winupdate.exe
Token: 33	2480	winupdate.exe
Token: 34	2480	winupdate.exe
Token: 35	2480	winupdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

winupdate.exe

pid process

2480 winupdate.exe

pid	process
2480	winupdate.exe

Suspicious use of WriteProcessMemory 49 IoCs

Processes:

06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe

description	pid	process	target process
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2812	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2480	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	winupdate.exe
PID 2184 wrote to memory of 2480	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	winupdate.exe
PID 2184 wrote to memory of 2480	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	winupdate.exe
PID 2184 wrote to memory of 2480	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	winupdate.exe
PID 2184 wrote to memory of 2480	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	winupdate.exe
PID 2184 wrote to memory of 2480	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	winupdate.exe
PID 2184 wrote to memory of 2480	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	winupdate.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe
PID 2184 wrote to memory of 2588	2184	06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\06e600b729ab01c8e38a1f46ab85a749_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
- Adds Run key to start application
PID:2812

C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
"C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"
2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2480

C:\Windows\SysWOW64\notepad.exe
C:\Windows\SysWOW64\notepad.exe
2⤵
- Deletes itself
PID:2588

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

6

Impair Defenses

3

T1562

Disable or Modify Tools

T1562.001

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery